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KOVA Windows are designed to suit a broad range of project and building envelope needs and are available in custom sizes and configurations in these three performance tiers:

Performance Tiers

Performance: Includes dual-glazing with triple-silver Low E coatings, warm-edge spacer, and argon-filled air-space. These baseline values meet Energy Star 6.0 performance requirements for the entire US.

Performance Plus: Includes dual-glazing with triple-silver Low E coating on surface 2, and additional Low E coating on surface 4 (interior), warm-edge spacer, and argon-filled air-space. The advantage of this package is improved thermal values over the Performance offering, without the added weight and reduced VLT as compared to triple glazed products. Meets Energy Star 6.0 requirements for the entire US.

Performance Select: Our highest performance offering, which includes triple-glazing with triple-silver Low E coatings on surfaces 2 and 5, warm-edge spacer, and argon-filled air-spaces. This package results in the highest-thermal performance values available in the KOVA window line. These high-performance values meet Energy Star ‘Most Efficient’ (R5 or better) performance requirements for the entire US.

Standard Features
  • Screens
  • Fusion welded corners
  • Integral weep systems
  • Reinforced mullions and meeting rails
  • Dual-pane, Low E glass with argon and warm-edge spacer systems
Product Number: N/A

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